Home / 1,990,657,174.40-2,985,985,761.60-1,978,563,939.20

Finding the Fourth Proportional to 1,990,657,174.40, 2,985,985,761.60 and 1,978,563,939.20

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Solution

The fourth proportional to 1,990,657,174.40, 2,985,985,761.60 and 1,978,563,939.20 is: 2,967,845,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,657,174.40 : 2,985,985,761.60 = 1,978,563,939.20 : x
  2. Step 2: Convert to fraction form
    1,990,657,174.40/2,985,985,761.60 = 1,978,563,939.20/x
  3. Step 3: Cross multiply
    1,990,657,174.40x = 2,985,985,761.60 × 1,978,563,939.20
  4. Step 4: Simplify right side
    1,990,657,174.40x = 5,907,963,750,866,408,448
  5. Step 5: Solve for x
    x = 5,907,963,750,866,408,448/1,990,657,174.40
  6. Step 6: Final answer
    x = 2,967,845,908.80

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